Advent calendar



FIG. 1 is a perspective view of an embodiment of the advent calendar inan unfolded opened configuration, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of an embodiment of advent calendar in aclosed configuration;

FIG. 9 is a front view thereof;

FIG. 10 is a back view thereof;

FIG. 11 is a left view thereof;

FIG. 12 is a right view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The subject matter shown in dashed lines is for illustrative purposesand forms no part of the claimed design.

CLAIM The ornamental design for an advent calendar, as shown anddescribed.